Home / 105,110.08-157,571.34-38,534.66

Finding the Fourth Proportional to 105,110.08, 157,571.34 and 38,534.66

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Solution

The fourth proportional to 105,110.08, 157,571.34 and 38,534.66 is: 57,767.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,110.08 : 157,571.34 = 38,534.66 : x
  2. Step 2: Convert to fraction form
    105,110.08/157,571.34 = 38,534.66/x
  3. Step 3: Cross multiply
    105,110.08x = 157,571.34 × 38,534.66
  4. Step 4: Simplify right side
    105,110.08x = 6,071,958,012.64
  5. Step 5: Solve for x
    x = 6,071,958,012.64/105,110.08
  6. Step 6: Final answer
    x = 57,767.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.